Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preaknessrealty.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:20:39 UTC · ↺ Refresh
MX Hostnames
- mail.protonmail.ch
- mailsec.protonmail.ch
MX Priorities
- mailsec.protonmail.ch: 20
- mail.protonmail.ch: 10
A / AAAA Records
- 172.67.137.151 (no PTR)
- 104.21.70.161 (no PTR)
- 2606:4700:3031::6815:46a1 (no PTR)
- 2606:4700:3033::ac43:8997 (no PTR)
Mail Server IPs
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 176.119.200.129 ↩ mailsec.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 176.119.200.128 ↩ mail.protonmail.ch
SOA Record
Raw SOA
ligia.ns.cloudflare.com dns.cloudflare.com 2399206315 10000 2400 604800 1800
Primary NS (mname)
ligia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399206315
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nitin.ns.cloudflare.com
ligia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.protonmail.ch a mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf.protonmail.ch a mx -all
- protonmail-verification=d5d1a92227f04c16715062c2b4c5b3d321d7cfd0
Full email verification for preaknessrealty.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits